/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package com.kai.wiki.servlet.search_title;

import com.kenny.wiki.ejb.entity.Title;
import com.kenny.wiki.ejb.entity.TitleItem;
import com.kenny.wiki.ejb.entity.facade.remote.TitleFacadeRemote;
import com.kenny.wiki.ejb.entity.facade.remote.TitleItemFacadeRemote;
import java.io.IOException;
import java.util.List;
import javax.ejb.EJB;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Kenny Lin
 */
public class SearchTitleServlet extends HttpServlet {
    @EJB
    TitleFacadeRemote titleFacadeRemote;
    @EJB
    TitleItemFacadeRemote titleItemFacadeRemote;
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        request.setCharacterEncoding("utf-8");
        response.setContentType("text/html;charset=UTF-8");
        String titleName = (String)request.getParameter("title_name");
        Title title = null;
        if((titleName.trim()!= null) && !("".equals(titleName.trim()))){
            title = titleFacadeRemote.findByTitleName(titleName);
            request.setAttribute("kenny.wiki.show.title", title);
            //访问次数加1
            title.setTitleView(title.getTitleView() + 1);
            titleFacadeRemote.edit(title);
            if (title != null) {
                List<TitleItem> titleItems = titleItemFacadeRemote.findByTitleId(title.getTitleId());
                request.setAttribute("kenny.wiki.show.titleItems", titleItems);
            }
        }
        request.getRequestDispatcher("/show_title.jsp").forward(request, response);
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
